DRIVE MEANS IN A BOAT
Boat propeller drive with an underwater housing which is connected in a fixed manner to a boat hull and has tractor propellers arranged on that side of the housing facing ahead. The underwater housing has a lower, torpedo-like portion, i...

WO/2000/058149A1

DRIVE MEANS IN A BOAT
Boat propeller drive with an underwater housing which is connected in a fixed manner to a boat hull and has tractor propellers arranged on that side of the housing facing ahead. Arranged in that end portion of the underwater housing faci...

ANTI INGESTION DEVICE
An anti ingestion device for use with an engine, preferably a marine engine. The device comprises an exhaust manifold (20) or riser system for exhausting engine gases, wherein the exhaust manifold (20) has a first end (22) and a second e...

WO/2000/040851A1

EXHAUST MIXER AND APPARATUS USING SAME
Disclosed is an exhaust mixer (50) including a passage (54) extending from an inlet (56) to an outlet (58) that is coincident with a centerline axis of mixer (50). Several ridges (68) are circumferentially disposed about the axis and eac...

WO/2000/038976A1

SEMI-IMMERSIBLE HEAVY-LIFT CARGOBOAT
The invention relates to a semi-immersible heavy-lift cargoboat with floodable and freeable bottom and side tanks for loading and unloading cargo according to the float-on/float-off and/or roll-on/roll-off method. Said cargoboat also com...

SYSTEM FOR CONTROLLING A VESSEL
System (10) for controlling a vessel, which vessel is provided with: propulsion means (40) for propelling the vessel, directional means for determining the direction in which the vessel is propelled, which system is provided with: speed ...

WO/2000/015495A1

ARRANGEMENT AND METHOD FOR TURNING A PROPULSION UNIT
The present invention relates to a propeller drive arrangement and a method for moving and steering a vessel. The arrangement comprises an azimuthing propulsion unit (6) and operating equipment for turning said azimuthing propulsion unit...

WO1999032355A3

IMPROVED SUBMERGED MARINE EXHAUST SYSTEM
An improved marine engine exhaust device for discharging exhaust below the surface of the water in a submerged turbulent region generated by said device which is fixed to the undersurface of the vessel hull (11), wherein the gas is maint...

WO1999032355A9

IMPROVED SUBMERGED MARINE EXHAUST SYSTEM
An improved marine engine exhaust device for discharging exhaust below the surface of the water in a submerged turbulent region generated by said device which is fixed to the undersurface of the vessel hull, wherein the gas is maintained...

WO/1999/042361A1

MARINE PROPULSOR
The invention describes a marine propulsor that has a rotor (46) that is, at least in its majority, enclosed by structure (54) where said rotor receives water over at least a majority of its lower portions and gas over at least part of i...

WO/1999/037493A1

AMPHIBIOUS CARAVAN
The invention relates to an amphibious caravan comprising a floating chassis (20) with wheels (22) and at least one cabin (30) with a living compartment. The caravan (10) has a vehicle deck (27) receiving a towing vehicle (1). The vehicl...

WO/1999/035033A1

DRIVE MEANS IN A BOAT
Drive assembly in a boat, comprising a propeller drive (5) which is arranged on the outside of the boat hull (4) and has twin counter-rotating propellers (18, 19). The drive is drivably coupled to a drive unit (1) arranged on the inside ...

WO/1999/035034A1

DRIVE MEANS IN A BOAT
Drive assembly in a boat, comprising a propeller-shaft housing (5) which projects downwards on the underside of the bottom (4) of the boat and is connected to a drive unit (1), arranged on the inside of the boat, via members (9) which, i...

WO/1999/032355A2

IMPROVED SUBMERGED MARINE EXHAUST SYSTEM
An improved marine engine exhaust device for discharging exhaust below the surface of the water in a submerged turbulent region generated by said device which is fixed to the undersurface of the vessel hull (11), wherein the gas is maint...

SEMI-SUBMERSIBLE STRUCTURE
A semi-submersible structure (10) including pontoons (16) and carrying at least one prime mover (22) is provided, with prime movers (22) being located in the pontoons (16). The structure (10) is a semi-submersible rig with a deck (12) su...

MARINE ENGINE SILENCING APPARATUS AND METHOD
An apparatus and method for silencing marine engines. In one embodiment, a separation chamber (100) receives a fluid mixture (22) of exhaust gas (16) and liquid coolant (10) and a dynamic separation member (e.g., 106 or 116) separates th...

WO/1998/038086A1

VALVE ARRANGEMENT
The invention relates to a valve arrangement for preventing siphoning effect in an engine (1) which at least in part is arranged below a water line (5), comprising a first conduit (9) and a pump (11) for feeding water from the ambience o...

WO/1998/032647A1

FUEL TANK
A space-efficient fuel tank (20) for use in a small watercraft (10) powered by an outboard motor (14) is disclosed. The fuel tank (20) is securely but removably mounted to the interior of the watercraft (10) in the previously unusable sp...

STEERING AND MANOEUVERING HANDLE
A control and manoeuvering stick, comprising a shaft portion and a hand grip portion, and mounted in a base portion by means of the shaft portion. The shaft portion is pivotally mounted about its axis in a first carriage (3) which is tra...

WO/1998/015454A1

OUTBOARD MOTOR WITH IMPROVED JET PROPULSION UNIT
Disclosed herein is a jet propulsion unit (14) comprising a housing (41) including a wall (43) defining a water tunnel having therein a water outlet port (71), and a recess (81) located in the wall (43) defining the tunnel and in surroun...

WO/1998/014365A1

APPARATUS FOR DIRECTING BOAT EXHAUST FUMES
A method and apparatus for preventing exhaust fumes from entering the deck area of a motor boat (20) having an engine of the type which has an exhaust port that expels fumes at the rear end of the boat is disclosed. The present invention...

WO/1998/013257A1

UNIVERSAL MARINE DRIVE APPARATUS AND USES THEREOF
Novel apparatus for rendering a watercraft propulsion system universal. One embodiment of the invention comprises a rotary shaft (62); a propeller (66) detachably attached to one end of the rotary shaft (62), the other end of the rotary ...

POD-LIKE SHIP PROPULSION SYSTEM WITH SYNCHRONOUS MOTOR
A ship propulsion system has a pod-like housing (1) mounted on the bottom of the ship hull and a synchronous motor (7, 10) arranged in the housing (1). In order to improve propulsion efficiency at propulsion powers of about 10 MW, the ro...

WO/1997/049603A1

A MARINE OSCILLATORY-MOTION PROPULSION SYSTEM
This marine propulsion system makes it possible to develop a propulsive thrust by a symmetrically convex oscillating body, to exploit the cynetic energy of the flow moving past the two convex sides of the oscillating body by deflecting t...

CONTROL AND MANOEUVRING STICK FOR A VESSEL
The use of a single manoeuvring means with accompanying control system for controlling and manoeuvring a vessel is described. The single manoeuvring means is of the stick type and comprises a handle portion (1) which, by means of shaft p...

AMPHIBIOUS CARAVAN
There is provided an amphibious vehicle (1) with a living compartment (4), preferably an amphibious caravan, which is towable by a land vehicle (2). The amphibious vehicle (1) comprises a compartment (3) that is capable to contain a land...

WO/1997/003282A1

DEVICE AND METHOD FOR CALIBRATION OF A THROTTLE ARRANGEMENT
The invention relates to a method and a device for calibration of a throttle arrangement (2) associated with an engine (6), comprising positioning the throttle arrangement (2) in a predetermined position ($g(a)�3?) and locking the set ...

WO/1996/033911A1

DEVICE FOR TRANSMITTING THURST
The securing device (1) for transmitting thurst between an engine, especially a diesel engine, and the hull (15) of a ship comprises a thrust sleeve (16) running through an aperture (150) in the hull (15) of the ship which has a larger c...

SUBMERGED MARINE EXHAUST SYSTEM
An improved marine engine exhaust system for discharging engine exhaust above the water line when at idle or low speeds, and below the surface of the water at high speed in a submerged turbulent region generated by a hydrodynamic fitting...

MARINE ENGINE MOUNTING SYSTEM
A vibration absorbing assembly for mounting a marine engine (12) to a stringer (22) is provided, including: a mounting bracket (32) adapted for attachment to the marine engine (12); a base (52) adapted for attachment to a stringer (22); ...